| Sampling Factors: |
Location (Not Relevant: No process difference with project locations. One location, Beijing city.)
Customer (Not Relevant: The customers of the projects are same, all are enterprises.)
Size (Not Relevant: No difference in practice-implementation as per the size, all projects have a similar size in each subgroup.)
Organizational Structure (Not Relevant: One organization structure. All projects are under the same command chain.)
Type of Work: Practice implementation are different in project types, there are product development projects and customized projects. |